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1984 (1)
1978 (1)
1Author    Peter Paetzold3, Christoph Von Plotho3, G. Ünter, Schmidb, R. Oland BoesebRequires cookie*
 Title    l,3>5-Tri"ter/-butyl-2,4,6-triisopropyl-3,5-diaza-l-azonia-2,6-dibora- 4-borata[2  
 Abstract    2.0]bicyclohexan, der erste Vertreter der Dewarborazine l,3,5-Tri-terf-butyl-2,4,6-triisopropyl-3,5-diaza-l-azonia-2,6-dibora-4-borata[2.2.0]bicyclohexane, the First D ew ar Borazine The iminoborane /Pr—B = N —rBu (la), metastable at —78 °C, trimerizes to form (/PrBNrBu) 3 (4a) at elevated temperatures. The determination of the molecular and crystal structure reveals 4a to be a Dewar-borazine-type molecule with two short peripheral BN-double-bonds (136 and 138 pm) and an extra-long bridge BN-single-bond (175 pm). The same trimer 4a is formed by addition of la to the diazadiboretidine-type dimer (/PrBNrBu)2, prepared independently. The ethyloboration and the azidoboration of la with BEt3 and Me3SiN3, respectively, and the cyclo-addition of PhN3 to la follow expected patterns. 
  Reference    Z. Naturforsch. 39b, 1069—1075 (1984); eingegangen am 29. Februar 1984 
  Published    1984 
  Keywords    Iminoborane, Diazadiboretidine, Borazine, Dewar Borazine 
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 TEI-XML for    default:Reihe_B/39/ZNB-1984-39b-1069.pdf 
 Identifier    ZNB-1984-39b-1069 
 Volume    39 
2Author    Detlev Enterling, Uwe Klingebiel, Anton MelierRequires cookie*
 Title    Substitution und Ringkopplung am Cyclotrisilazan-System Substitution and Ring Coupling at the Cyclotrisilazane System  
  Reference    Z. Naturforsch. 33b, 527—532 (1978); eingegangen am 9. Januar/21. Februar 1978 
  Published    1978 
  Keywords    Cyclotrisilazanes, Substitution, Fluorosilanes, Ring Coupling, Borazine 
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 TEI-XML for    default:Reihe_B/33/ZNB-1978-33b-0527.pdf 
 Identifier    ZNB-1978-33b-0527 
 Volume    33